USA Unit Converter vs Aspen Compressor Controller
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
USA Unit Converter
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Confused about measuring units in American videos? Traveling to Europe from the U.S.? USA Unit Converter is the best choice! The most convenient and quick way to convert from Imperial units to International system and vice versa. Create and customize widget for easy access to the most frequently used units. Why USA Unit Converter? – Speed. You don't need to waste time searching through the categories. You have access to all the units right after opening the app – Widget. Memorize units with our widgets. You can customize count of rows in a widget and frequency of unit updates – No limits. Enjoy all of the features for free with NO ADS
Aspen Compressor Controller
Monitor and adjust your compressor system's performance. This application connects to the Aspen Compressor Control Board to display real-time readings like speeds and temperatures, enabling optimized operation.
- Monitor compressor speeds
- Display system temperatures
- Control fan speeds
- Optimize system performance
- Connect to control board
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Aspen Compressor's system controller allows users to easily monitor and control their systems by connecting to the Aspen Compressor Control Board. This app provides the ability to change and display system readings such as compressor speeds, temperatures, and fan speeds allowing for optimized system performance.
Screenshots
Verdict
The clearest difference is update cadence: Aspen Compressor Controller at every 2 months against USA Unit Converter's every 14 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
USA Unit Converter ships an update every 14 months, Aspen Compressor Controller every 2 months. The most recent releases landed on September 8, 2026 and June 11, 2026 respectively.
| Parameter | USA Unit Converter | Aspen Compressor Controller |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 14 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 2 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Andrey Seleznev | Aspen Compressor, LLC |
In-app purchases
USA Unit Converter
No in-app purchases
Aspen Compressor Controller
No in-app purchases
Questions
Is USA Unit Converter free?
Is Aspen Compressor Controller free?
Do USA Unit Converter or Aspen Compressor Controller have ads?
Which is updated more often, USA Unit Converter or Aspen Compressor Controller?
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